A new genetic study of the novel avian influenza A (H7N9) virus published online in the journal Eurosurveillance portrays a virus evolving to adapt to human cells. Amino acid changes in the novel influenza A (H7N9) viruses that may affect their receptor-binding properties (T Kageyama et al) An international team of researchers led by Dr Masato Tashiro of the National Institute of Infectious Diseases, Japan, and Dr Yoshihiro Kawaoka of the University...